Columnar database should store group of columns together. But Cassandra stores data row-wise. SS Table will hold multiple rows of data mapped to their corresponding partition key. So I feel like Ca...

How is columnar storage in the context of a NoSQL database like Cassandra different from that in Redshift. If Cassandra is also a columnar storage then why isn't it used for OLAP applications like ...

There's a lot of confusion among these terms. I'd like to throw my understanding out and see if people agree. I have seen conflicting and wrong definitions all over the web. In my mind, wide column...

Reading several papers and documents on internet, I found many contradictory information about the Cassandra data model. There are many which identify it as a column oriented database, other as a r...

The more I read about NoSQL, the more it begins to sound like a column oriented database to me. What's the difference between NoSQL (e.g. CouchDB, Cassandra, MongoDB) and a column oriented databas...

Are there any open source projects in the works to create a column-oriented storage engine for PostgreSQL? I know Yahoo created one in-house, and that there are commercial products built on Postgre...

I understand that document-oriented NoSQL DBs are "extensions" of the KV model in that they allow you to query more than just a single lookup key. But once something is a "document", I feel like it...

Has anyone had any experience with MonetDB? Currently, I have a MySQL database that is growing too large, and queries are getting too slow. According to column-oriented paradigm, insertions will be...

I've found databases typically come in two flavors, your traditional row-oriented RDBMS or an object oriented database (OODBMS). However, in the mid 90s I remember, a new breed of databases s...